NXP Semiconductors LPC2294HBD144/01K
- Part No.:
- LPC2294HBD144/01K
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
LPC2294HBD144/01K.pdf
- Description:
- IC MCU 16/32B 256KB FLSH 144LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,821
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
LPC2294HBD144/01K from NXP Semiconductors is a 16/32-bit ARM7TDMI-S microcontroller in LQFP144 package, featuring 256 kB flash, 16 kB SRAM, four CAN channels, eight-channel 10-bit ADC (2.44 µs conversion), and 60 MHz CPU clock with 100 µs PLL settling time. It targets automotive control units, industrial CAN gateways, medical monitoring systems, and fault-tolerant maintenance buses requiring extended temperature operation.
For engineers reviewing the LPC2294HBD144/01K datasheet, LPC2294HBD144/01K pinout, LPC2294HBD144/01K application, or LPC2294HBD144/01K equivalent, key selection criteria include its −40 °C to +125 °C operating range, Fast GPIO capability, dual power supply (1.8 V core / 3.3 V I/O), 5 V tolerant I/O pads, and support for external memory interface up to 16 MB per bank.
Technical Context
The LPC2294HBD144/01K implements an ARM7TDMI-S core with real-time emulation and embedded trace support via EmbeddedICE-RT and ETM interfaces. Its 128-bit wide memory interface and accelerator architecture enable full 32-bit instruction execution at 60 MHz without wait states.
It integrates two 32-bit timers (four capture/compare channels each), six PWM outputs, RTC, watchdog, Vectored Interrupt Controller (VIC), and configurable external memory controller supporting four banks with 8/16/32-bit data width - all accessible via AMBA AHB/APB interconnect.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM7TDMI-S, 32-bit RISC with Thumb mode support for 30 % code size reduction |
| Max Clock Speed | 60 MHz CPU frequency enabled by on-chip PLL with 100 µs settling time |
| Memory | 256 kB on-chip flash (ISP/IAP capable) + 16 kB SRAM; 128-bit interface enables zero-wait-state operation |
| Analog Peripherals | Eight-channel 10-bit ADC with 2.44 µs conversion time; inputs AIN0–AIN7 mapped to dedicated pins |
| Communication Interfaces | Four CAN 2.0B channels, two UARTs (with fractional baud rate & hardware flow control), Fast I²C (400 kbit/s), two SPIs, SSP (SPI/SSI/Microwire) |
| I/O & Power | Up to 112 GPIOs (5 V tolerant); dual supply: 1.65–1.95 V core (1.8 V ±0.15 V), 3.0–3.6 V I/O (3.3 V ±10 %) |
| Operating Temperature | −40 °C to +125 °C - qualified for under-hood automotive and high-reliability industrial use |
Pinout & Package
LQFP144 package: plastic low profile quad flat package, 144 leads, body 20 × 20 × 1.4 mm (SOT486-1). Pin configuration identical across /00 and /01 suffix variants.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0[0]/TXD0/PWM1 | UART0 transmit / PWM output | Primary serial debug interface; supports bootloader communication and motor control timing |
| P0[27]–P0[30], P2[30]–P2[31], P3[28]–P3[29] | ADC input channels AIN0–AIN7 | Dedicated analog input pins with internal 5 V tolerance; digital section disabled when used as ADC inputs |
| P0[12]–P0[13], P0[21]–P0[24], P0[25] | CAN transceiver I/O (RD1–RD4, TD1–TD4) | Four independent CAN physical layer interfaces; RDx/TDx pins mapped per channel for isolated bus routing |
| P2[0]–P2[31], P3[0]–P3[31] | External memory interface (D0–D31, A0–A23, CS0–CS3, WE, BLS0–BLS3) | Full 32-bit data / 24-bit address bus supporting up to 16 MB per bank; enables NOR/NAND flash or SRAM expansion |
| XTAL1/XTAL2 | Crystal oscillator input/output | Supports 1–25 MHz crystal; drives internal PLL for stable 60 MHz system clock generation |
| VDD(1V8), VDD(3V3), VSS, VSSA, VSSA(PLL) | Power and ground domains | Separate analog/digital/PLL grounds minimize noise coupling; dual voltage rails enable low-power core operation |
Key Features
| Feature | Design Value |
|---|---|
| Fast GPIO | Port pin toggle speed up to 3.5× faster than baseline LPC2292; enables precise bit-banged protocols and real-time I/O response |
| Dedicated ADC result registers | Reduces interrupt latency and CPU overhead during high-frequency sampling; critical for closed-loop control loops |
| Fractional baud rate generator | Enables exact standard baud rates (e.g., 115.2 kbps) from any integer PLL clock - eliminates UART timing error accumulation |
| Embedded Trace Module (ETM) | Real-time instruction trace via dedicated trace port (P1[16–19], P1[20], P1[24]); supports non-intrusive debugging of timing-critical firmware |
| Diversified Code Read Protection (CRP) | Three security levels (CRP1–CRP3) prevent unauthorized flash readout; CRP3 permanently disables ISP/IAP and JTAG access |
Applications
| Automotive Body Control Module | Industrial CAN Gateway |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC in passenger vehicles. IC Role / Device Role / Timing Role: Main MCU executing real-time CAN message filtering, actuator PWM generation, and sensor polling. Use Value: Four integrated CAN controllers eliminate external transceivers for multi-bus architectures; −40 °C to +125 °C rating ensures under-hood reliability. |
Use Scenario: Protocol translation between CANopen, DeviceNet, and Modbus RTU networks in factory automation. IC Role / Device Role / Timing Role: Bridge processor managing concurrent CAN frame reception/transmission and serial protocol framing. Use Value: Dual UARTs with hardware flow control and fractional baud rate support ensure deterministic serial throughput; Fast GPIO enables bit-banged legacy interfaces. |
| Medical Patient Monitor | Fault-Tolerant Maintenance Bus |
Use Scenario: Acquisition and display of ECG, SpO₂, and NIBP signals in portable diagnostic equipment. IC Role / Device Role / Timing Role: Data acquisition controller interfacing 10-bit ADC, LCD driver, and USB-to-CAN bridge. Use Value: Eight-channel ADC with sub-3 µs conversion supports multi-sensor synchronous sampling; 5 V tolerant I/O simplifies front-end signal conditioning. |
Use Scenario: Redundant communication backbone for railway signaling or power substation monitoring systems. IC Role / Device Role / Timing Role: Fault-aware node performing CRC validation, message retransmission, and watchdog-triggered failover. Use Value: Advanced CAN acceptance filters and dedicated result registers enable deterministic message prioritization; embedded watchdog and RTC support safety-critical time supervision. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ARM7-based microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LPC2368FBD100 | ARM7TDMI-S core, 512 kB flash, 96 kB RAM, no external memory interface, single CAN channel, operates at −40 °C to +85 °C | Targeted at cost-sensitive, self-contained applications without memory expansion needs | Select when higher flash/RAM and integrated Ethernet are required, but external bus and extended temperature are not |
| LPC2478FBD208 | ARM7TDMI-S core, 512 kB flash, 96 kB RAM, external memory interface, four CAN channels, USB 2.0 OTG, operates at −40 °C to +85 °C | Designed for multimedia HMI and connectivity-rich embedded systems | Select when USB host/device capability and larger package (208-pin LQFP) are acceptable trade-offs for broader peripheral set |
Compared with LPC2294HBD144/01K, LPC2368FBD100 offers more memory but lacks external bus and extended temperature support, while LPC2478FBD208 adds USB but sacrifices industrial temperature range - making LPC2294HBD144/01K optimal for high-reliability CAN-centric designs requiring −40 °C to +125 °C operation.
Availability
LPC2294HBD144/01K is available at Aetrix Electronics and suitable for automotive control units, industrial CAN gateways, and medical monitoring systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LPC2294HBD144/01K includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor company specializing in secure connectivity solutions for automotive, industrial, and IoT applications.
The LPC2294 belongs to NXP's legacy LPC2000 ARM7 microcontroller family, designed specifically for real-time embedded control in harsh environments with integrated CAN, ADC, and memory expansion capabilities.
FAQ
What is the maximum operating temperature for the LPC2294HBD144/01K?
The LPC2294HBD144/01K is rated for operation from −40 °C to +125 °C, qualifying it for under-hood automotive and high-temperature industrial environments. This extended range is confirmed in Table 2 of the official datasheet and distinguishes it from /00 variants limited to +85 °C.
Does the LPC2294HBD144/01K support in-system programming (ISP)?
Yes, the LPC2294HBD144/01K supports full In-System Programming via its on-chip bootloader. Flash sectors can be erased in 400 ms and 256-byte pages programmed in 1 ms, enabling field firmware updates without removing the device from the PCB.
How many CAN interfaces does the LPC2294HBD144/01K integrate?
The LPC2294HBD144/01K integrates four independent CAN 2.0B-compliant controllers, as explicitly stated in Table 2 ("Ordering options") and confirmed in Section 2.2 ("Key features common for all devices"). This is a defining feature distinguishing it from the two-CAN LPC2292 variant.
Is the LPC2294HBD144/01K pin-compatible with other LPC2294 variants?
Yes - the LPC2294HBD144/01K shares identical LQFP144 pinout with all LPC2294HBD144 variants (/00 and standalone), as confirmed in Section 5.1 ("Pinning") which states "Pin configuration is identical for devices with and without /00 and /01 suffixes."
What peripheral enhancements does the /01 suffix add to the LPC2294HBD144/01K?
The /01 suffix enables Fast GPIO functionality, SSP serial controller (supporting SPI/SSI/Microwire), and enhanced UART features including fractional baud rate generation and hardware handshake flow control - all documented in Section 2.1 as "Key features brought by LPC2292/2294/01 devices."
LPC2294HBD144/01K Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 144-LQFP
- Series:
- LPC2200
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- ARM7®
- Core Size:
- 16/32-Bit
- Speed:
- 60MHz
- Connectivity:
- CANbus, EBI/EMI, I2C, Microwire, SPI, SSI, SSP, UART/USART
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 112
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.65V ~ 1.95V
- Data Converters:
- A/D 8x10b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
LPC2294HBD144/01K FAQ
1.How can I place an order for LPC2294HBD144/01K through Aetrix?
Please submit a Request for Quotation (RFQ) for LPC2294HBD144/01K on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LPC2294HBD144/01K reliable?
The price and inventory of LPC2294HBD144/01K are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPC2294HBD144/01K is usually 5 days.
3.What payment methods are accepted for LPC2294HBD144/01K?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPC2294HBD144/01K transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPC2294HBD144/01K?
LPC2294HBD144/01K orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPC2294HBD144/01K order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LPC2294HBD144/01K?
For technical support, including LPC2294HBD144/01K datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPC2294HBD144/01K requirements.
6.How does Aetrix verify that LPC2294HBD144/01K is sourced from the original manufacturer or authorized distributors?
All LPC2294HBD144/01K products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LPC2294HBD144/01K meets industry standards.
7.What is the process for return or replacement of LPC2294HBD144/01K?
All LPC2294HBD144/01K units undergo pre-shipment inspection (PSI). If there is an issue with LPC2294HBD144/01K, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LPC2294HBD144/01K part is unused and in its original packaging.
Return procedure for LPC2294HBD144/01K:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LPC2294HBD144/01K Tags

-
ATTINY4-TSHR
Microchip Technology

-
ATTINY10-TSHR
Microchip Technology

-
ATTINY10-TS8R
Microchip Technology

-
ATTINY202-SSNR
Microchip Technology

-
ATTINY202-SSFR
Microchip Technology

-
ATTINY402-SSNR
Microchip Technology

-
PIC16F15213T-I/MF
Microchip Technology

-
PIC16F15213-E/MF
Microchip Technology

-
PIC10F200T-I/OT
Microchip Technology

-
ATTINY412-SSNR
Microchip Technology

-
PIC10F202T-I/OT
Microchip Technology

-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…

